ENS Event | |
|---|---|
18:01 Aug 23, 2011 | |
| Title | Notification of Unusual Event Due to Seismic Event |
| Event Description | PBAPS [Peach Bottom Atomic Power Station] Units 2 and 3 experienced a seismic event which was felt in the control room in conjunction with a seismic trigger alarm set a 0.01G acceleration. The operating basis earthquake alarm of 0.05G was not received.
'Both units continue to operate at pre-event levels. Currently there is no indication of damage at the site. Initial plant walkdowns indicate no plant damage and walkdowns are continuing. There were no personnel injuries. The licensee has notified the NRC Resident Inspector.
At 1750 hrs. EDT, Peach Bottom terminated the Unusual Event that was declared at 1401 today due to a seismic event that occurred at the station. Both Unit 2 and 3 operational walk downs of the site have been completed. There are no issues related to the seismic event which would impact continued safe operation of either unit. The licensee has made state and local notifications as well as notifying the NRC Resident Inspector. Notified R1 IRC (Dentil), IRD (Gott), DHS, FEMA, HHS, USDA. |
| Where | |
|---|---|
Peach Bottom  Pennsylvania (NRC Region 1) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-3.18 h-0.133 days <br />-0.0189 weeks <br />-0.00436 months <br />) | |
| Opened: | Mitchell Saave 14:50 Aug 23, 2011 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Aug 23, 2011 |
| 47183 - NRC Website
Loading map... | |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Unit 3 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (93 %) |
| After | Power Operation (93 %) |
WEEKMONTHYEARENS 552612021-05-17T16:38:00017 May 2021 16:38:00
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